VIOLATION OF THE SEMICLASSICAL APPROXIMATION AND QUANTUM CHAOS IN A PARAMAGNETIC SPIN SYSTEM

Описание

Тип публикации: статья из журнала

Год издания: 1993

Идентификатор DOI: 10.1016/0375-9601(93)90611-3

Ключевые слова: STATES, DYNAMICS, STOCHASTICITY, MECHANICS

Аннотация: Quantum effects are considered in the dynamics of a system of N paramagnetic atoms in a resonant cavity interacting with a constant magnetic field and with a resonant external magnetic field. In the semi-classical limit (classical radiation field in the cavity) this resonantly driven system shows developed (global) chaos. ExpectatiПоказать полностьюon-value dynamics shows however that quantum corrections cause a departure from the semi-classical chaotic dynamics on a time-scale tau(h) approximately ln N and that quantum correlation functions grow exponentially in time. The possibility of experimentally observing this effect is discussed.

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Издание

Журнал: PHYSICS LETTERS A

Выпуск журнала: Vol. 181, Is. 4

Номера страниц: 296-307

ISSN журнала: 03759601

Место издания: AMSTERDAM

Издатель: ELSEVIER SCIENCE BV

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